Home » Public Forums » GMCnet » [GMCnet] Final Drive Bracket
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| Re: [GMCnet] Final Drive Bracket [message #149686 is a reply to message #149681] |
Tue, 15 November 2011 07:44   |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Dolph,
This is the first time I've seen that statement. I don't know whether to
interpret it as "there's a new bracket" or "there's no longer a bracket".
I suspect the former.
If you've got it, why not keep it?
That said, when I installed the Cad500, using a custom motor mount, I made
no provision to secure the front end of the final drive. I'm not worried
about it.
Ken H.
On Tue, Nov 15, 2011 at 7:14 AM, Dolph Santorine wrote:
>
> The more recent manual says "Note that the final drive bracket shown in
> Maintenance Manual X-7525 is no longer used"
>
> Duly noted. I have the bracket.
>
> Should I or shouldn't I use the bracket.
>
>
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Ken Henderson
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www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Final Drive Bracket [message #149692 is a reply to message #149686] |
Tue, 15 November 2011 09:30 |
emerystora
Messages: 4442
Registered: January 2004
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The parts book shows that bracket but says "prior to 1977". It doesn't show any bracket for the 1977-78 vehicles.
Emery Stora
On Nov 15, 2011, at 6:44 AM, Ken Henderson wrote:
> Dolph,
>
> This is the first time I've seen that statement. I don't know whether to
> interpret it as "there's a new bracket" or "there's no longer a bracket".
> I suspect the former.
>
> If you've got it, why not keep it?
>
> That said, when I installed the Cad500, using a custom motor mount, I made
> no provision to secure the front end of the final drive. I'm not worried
> about it.
>
> Ken H.
>
>
> On Tue, Nov 15, 2011 at 7:14 AM, Dolph Santorine wrote:
>
>>
>> The more recent manual says "Note that the final drive bracket shown in
>> Maintenance Manual X-7525 is no longer used"
>>
>> Duly noted. I have the bracket.
>>
>> Should I or shouldn't I use the bracket.
>>
>>
> _______________________________________________
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| Re: [GMCnet] Final Drive Bracket [message #149693 is a reply to message #149692] |
Tue, 15 November 2011 09:33 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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In the 77-78 repair manual, it says something to the effect of "no longer
fitted" on the section about that bracket.
Jim Hupy
Salem, OR
78 GMC Royale 403
On Tue, Nov 15, 2011 at 7:30 AM, Emery Stora <emerystora@mac.com> wrote:
> The parts book shows that bracket but says "prior to 1977". It doesn't
> show any bracket for the 1977-78 vehicles.
>
> Emery Stora
>
> On Nov 15, 2011, at 6:44 AM, Ken Henderson wrote:
>
> > Dolph,
> >
> > This is the first time I've seen that statement. I don't know whether to
> > interpret it as "there's a new bracket" or "there's no longer a bracket".
> > I suspect the former.
> >
> > If you've got it, why not keep it?
> >
> > That said, when I installed the Cad500, using a custom motor mount, I
> made
> > no provision to secure the front end of the final drive. I'm not worried
> > about it.
> >
> > Ken H.
> >
> >
> > On Tue, Nov 15, 2011 at 7:14 AM, Dolph Santorine wrote:
> >
> >>
> >> The more recent manual says "Note that the final drive bracket shown in
> >> Maintenance Manual X-7525 is no longer used"
> >>
> >> Duly noted. I have the bracket.
> >>
> >> Should I or shouldn't I use the bracket.
> >>
> >>
> > _______________________________________________
> > GMCnet mailing list
> > Unsubscribe or Change List Options:
> > http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> _______________________________________________
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| Re: [GMCnet] Final Drive Bracket [message #149697 is a reply to message #149695] |
Tue, 15 November 2011 11:01 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Manny,
Do you think it's important for me to add a similar bracket to my Cad500?
Ken H.
On Tue, Nov 15, 2011 at 10:45 AM, Manny Trovao <mannystrans@gmail.com>wrote:
> The flat bracket that mounts to the side of the block, stays. The
> bracket that cups the final drive, I toss it.
> I still bolt the final drive to the flat bracket.
>
>
> --
> Manny Trovao
> mannystrans@gmail.com
> Manny's Trans / Power Drive
> San Jose, California
> 408-937-1583
> _______________________________________________
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Final Drive Bracket [message #149706 is a reply to message #149697] |
Tue, 15 November 2011 12:30 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Ken,
Think about the torque of that 500 causing the ring gear to try
to climb the
pinion gear and flexing the aluminum tranny case. Makes me
nervous.
Gary Kosier
----- Original Message -----
From: "Ken Henderson" <hend4800@bellsouth.net>
To: <gmclist@temp.gmcnet.org>
Sent: Tuesday, November 15, 2011 12:01 PM
Subject: Re: [GMCnet] Final Drive Bracket
> Manny,
>
> Do you think it's important for me to add a similar bracket to
> my Cad500?
>
> Ken H.
>
>
> On Tue, Nov 15, 2011 at 10:45 AM, Manny Trovao
> <mannystrans@gmail.com>wrote:
>
>> The flat bracket that mounts to the side of the block, stays.
>> The
>> bracket that cups the final drive, I toss it.
>> I still bolt the final drive to the flat bracket.
>>
>>
>> --
>> Manny Trovao
>> mannystrans@gmail.com
>> Manny's Trans / Power Drive
>> San Jose, California
>> 408-937-1583
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
> _______________________________________________
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| Re: [GMCnet] Final Drive Bracket [message #149708 is a reply to message #149706] |
Tue, 15 November 2011 14:29 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Yeah, but they reduced the brace to one cantilevered 1/2" bolt. The Cad
bracket on the OEM motor mount didn't look like much, IIRC. If I need to
remove the mount again, maybe I'll do something...
Ken H.
On Tue, Nov 15, 2011 at 1:30 PM, Kosier wrote:
> Ken,
>
> Think about the torque of that 500 causing the ring gear to try
> to climb the
> pinion gear and flexing the aluminum tranny case. Makes me
> nervous.
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Final Drive Bracket [message #149709 is a reply to message #149708] |
Tue, 15 November 2011 14:36 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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One of the things I hate about having half an engineering degree is not fully understanding the amount of force that grade 8 half inch bolt is relieving from the drive and transmission case.
Dolph
On Nov 15, 2011, at 3:29 PM, Ken Henderson wrote:
> Yeah, but they reduced the brace to one cantilevered 1/2" bolt. The Cad
> bracket on the OEM motor mount didn't look like much, IIRC. If I need to
> remove the mount again, maybe I'll do something...
>
> Ken H.
>
>
> On Tue, Nov 15, 2011 at 1:30 PM, Kosier wrote:
>
>> Ken,
>>
>> Think about the torque of that 500 causing the ring gear to try
>> to climb the
>> pinion gear and flexing the aluminum tranny case. Makes me
>> nervous.
>>
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Final Drive Bracket [message #149710 is a reply to message #149709] |
Tue, 15 November 2011 15:15 |
Dennis S
Messages: 3046
Registered: November 2005
Karma: 2
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Dolph
Half a degree?
If an engineering degree has a half life of five years, I now have about 1/256
of a degree.
Dennis
| Dolph Santorine wrote on Tue, 15 November 2011 14:36 |
One of the things I hate about having half an engineering degree is not fully understanding the amount of force that grade 8 half inch bolt is relieving from the drive and transmission case.
Dolph
On Nov 15, 2011, at 3:29 PM, Ken Henderson wrote:
> Yeah, but they reduced the brace to one cantilevered 1/2" bolt. The Cad
> bracket on the OEM motor mount didn't look like much, IIRC. If I need to
> remove the mount again, maybe I'll do something...
>
>
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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Dennis S
73 Painted Desert 230
Memphis TN Metro
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| Re: [GMCnet] Final Drive Bracket [message #149713 is a reply to message #149692] |
Tue, 15 November 2011 16:04 |
Chuck Garton
Messages: 54
Registered: June 2006
Karma: 0
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Member |
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The bracket was not used on factory 403 installations.
All 455's came with the bracket
Chuck Garton
77 Kingsley 455
Ridgecrest, CA
On Tue, Nov 15, 2011 at 7:30 AM, Emery Stora <emerystora@mac.com> wrote:
> The parts book shows that bracket but says "prior to 1977". It doesn't show any bracket for the 1977-78 vehicles.
>
> Emery Stora
>
> On Nov 15, 2011, at 6:44 AM, Ken Henderson wrote:
>
>> Dolph,
>>
>> This is the first time I've seen that statement. I don't know whether to
>> interpret it as "there's a new bracket" or "there's no longer a bracket".
>> I suspect the former.
>>
>> If you've got it, why not keep it?
>>
>> That said, when I installed the Cad500, using a custom motor mount, I made
>> no provision to secure the front end of the final drive. I'm not worried
>> about it.
>>
>> Ken H.
>>
>>
>> On Tue, Nov 15, 2011 at 7:14 AM, Dolph Santorine wrote:
>>
>>>
>>> The more recent manual says "Note that the final drive bracket shown in
>>> Maintenance Manual X-7525 is no longer used"
>>>
>>> Duly noted. I have the bracket.
>>>
>>> Should I or shouldn't I use the bracket.
>>>
>>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
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| Re: [GMCnet] Final Drive Bracket [message #149715 is a reply to message #149710] |
Tue, 15 November 2011 16:08 |
Dolph Santorine
Messages: 1236
Registered: April 2011
Location: Wheeling, WV
Karma: -41
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Senior Member |
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Some things like the laws of physics have not changed.
That's the degree I didn't finish.
Dolph Santorine
adolph@Santorine.org
Excuse me for not being my usual wordy and sporadically verbose self. This message is sent from my iPhone.
No trees were killed in the sending of this message, but a large number of electrons were terribly inconvenienced.
On Nov 15, 2011, at 4:15 PM, Dennis Sexton <dennisfsexton@aol.com> wrote:
>
>
> Dolph
> Half a degree?
> If an engineering degree has a half life of five years, I now have about 1/256
> of a degree.
>
> Dennis
>
> Dolph Santorine wrote on Tue, 15 November 2011 14:36
>> One of the things I hate about having half an engineering degree is not fully understanding the amount of force that grade 8 half inch bolt is relieving from the drive and transmission case.
>>
>> Dolph
>>
>>
>> On Nov 15, 2011, at 3:29 PM, Ken Henderson wrote:
>>
>>> Yeah, but they reduced the brace to one cantilevered 1/2" bolt. The Cad
>>> bracket on the OEM motor mount didn't look like much, IIRC. If I need to
>>> remove the mount again, maybe I'll do something...
>>>
>>
>>>
>>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>>
>> ____________________________________
>> Unsubscribe or Change List Options:
>> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
>
>
> --
> Dennis S
> 73 Painted Desert 230
> Germantown, TN
> _______________________________________________
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| Re: [GMCnet] Final Drive Bracket [message #149734 is a reply to message #149708] |
Tue, 15 November 2011 19:50 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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Ken,
You don't have to remove the mount. Just the lower bolt that
goes through
the bracket onto the block. Since you have EFI, you could have
installed
the bolt from the front. That would mean remove the nut at the
rear.
Gary Kosier
77EII & 77PB
Newark, Ohio
----- Original Message -----
From: "Ken Henderson" <hend4800@bellsouth.net>
To: <gmclist@temp.gmcnet.org>
Sent: Tuesday, November 15, 2011 3:29 PM
Subject: Re: [GMCnet] Final Drive Bracket
> Yeah, but they reduced the brace to one cantilevered 1/2" bolt.
> The Cad
> bracket on the OEM motor mount didn't look like much, IIRC. If
> I need to
> remove the mount again, maybe I'll do something...
>
> Ken H.
>
>
> On Tue, Nov 15, 2011 at 1:30 PM, Kosier wrote:
>
>> Ken,
>>
>> Think about the torque of that 500 causing the ring gear to
>> try
>> to climb the
>> pinion gear and flexing the aluminum tranny case. Makes me
>> nervous.
>>
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Final Drive Bracket [message #149736 is a reply to message #149734] |
Tue, 15 November 2011 20:27 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Huh? I don't understand that at all. I sure don't understand what EFI's
got to do with it (maybe the missing fuel pump?). Remember, I have my own
design front motor mount. As I recall the 68-72 mount, there was just a
tab to bolt the FD and no attachment to the block. I'll take a look
tomorrow to see if I can figure a way to bolt things up.
Ken H.
On Tue, Nov 15, 2011 at 8:50 PM, Kosier wrote:
> Ken,
>
> You don't have to remove the mount. Just the lower bolt that
> goes through
> the bracket onto the block. Since you have EFI, you could have
> installed
> the bolt from the front. That would mean remove the nut at the
> rear.
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Final Drive Bracket [message #149741 is a reply to message #149738] |
Tue, 15 November 2011 21:16 |
Ken Henderson
Messages: 8726
Registered: March 2004
Location: Americus, GA
Karma: 9
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Senior Member |
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Dennis,
No, I had not seen that. My memory of the 68-72 motor mount is very poor
-- is that what's shown, or another one? I thought the FD bracket was a
part of the motor mount, but that looks, perhaps because of the paint, as
if it's a discrete part. If I had one of those, it would bolt right up
with my custom mount. If I can borrow one somewhere, I'll make one.
Otherwise, I'll try to copy it from the photo.
THANKS!
Ken H.
On Tue, Nov 15, 2011 at 9:52 PM, Dennis Sexton wrote:
>
> Are you familiar with this photo...?
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=5084&cat=3476
>
> Just curious to know if this is the brakcet you are talking about? Or in
> your case -- you don't have?
>
>
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Ken Henderson
Americus, GA
www.gmcwipersetc.com
Large Wiring Diagrams
76 X-Birchaven
76 X-Palm Beach
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| Re: [GMCnet] Final Drive Bracket [message #149744 is a reply to message #149738] |
Tue, 15 November 2011 21:28 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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Yep, that be the one. If you don't have a carb fuel pump or the
factory fuel
pump(as shown), you can put the bolt in from the front and just
remove the
nut. Personally, I welded the nut on the inside for the 1/2"
bolt cause it was
too much of a PITA.
Gary Kosier
----- Original Message -----
From: "Dennis Sexton" <dennisfsexton@aol.com>
To: <gmclist@temp.gmcnet.org>
Sent: Tuesday, November 15, 2011 9:52 PM
Subject: Re: [GMCnet] Final Drive Bracket
>
>
> Ken Henderson wrote on Tue, 15 November 2011 14:29
>> Yeah, but they reduced the brace to one cantilevered 1/2"
>> bolt. The Cad
>> bracket on the OEM motor mount didn't look like much, IIRC.
>> If I need to
>> remove the mount again, maybe I'll do something...
>>
>> Ken H.
>
>
>
> Ken,
>
> Are you familiar with this photo...?
>
> http://www.gmcmhphotos.com/photos/showphoto.php?photo=5084&cat=3476
>
> Just curious to know if this is the brakcet you are talking
> about? Or in your case -- you don't have?
>
> Dennis
> --
> Dennis S
> 73 Painted Desert 230
> Germantown, TN
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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| Re: [GMCnet] Final Drive Bracket [message #149745 is a reply to message #149741] |
Tue, 15 November 2011 21:32 |
Kosier
Messages: 834
Registered: February 2008
Karma: 1
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Senior Member |
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Ken,
I have several, including one I had powdercoated be fore I
decided to
weld the nut on the inside.
Gary Kosier
----- Original Message -----
From: "Ken Henderson" <hend4800@bellsouth.net>
To: <gmclist@temp.gmcnet.org>
Sent: Tuesday, November 15, 2011 10:16 PM
Subject: Re: [GMCnet] Final Drive Bracket
> Dennis,
>
> No, I had not seen that. My memory of the 68-72 motor mount is
> very poor
> -- is that what's shown, or another one? I thought the FD
> bracket was a
> part of the motor mount, but that looks, perhaps because of the
> paint, as
> if it's a discrete part. If I had one of those, it would bolt
> right up
> with my custom mount. If I can borrow one somewhere, I'll make
> one.
> Otherwise, I'll try to copy it from the photo.
>
> THANKS!
>
> Ken H.
>
>
>
> On Tue, Nov 15, 2011 at 9:52 PM, Dennis Sexton wrote:
>
>>
>> Are you familiar with this photo...?
>>
>> http://www.gmcmhphotos.com/photos/showphoto.php?photo=5084&cat=3476
>>
>> Just curious to know if this is the brakcet you are talking
>> about? Or in
>> your case -- you don't have?
>>
>>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
> http://temp.gmcnet.org/cgi-bin/mailman/listinfo/gmclist
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